{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950529,-0.310636,0.000000,0.000000,0.173548,-0.531048,0.829379,0.000000,-0.257093,0.786690,0.561269,0.000000,-1641505.398419,5022914.192939,3559638.784249,1],    "boundingVolume": {    "region": [1.886601,0.595861,1.886716,0.595975,0.000000,8.811758]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1425900.b3dm"}}}